{
  "manageEntity": {
    "action": "Update",
    "entityId": "934065758",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x87b1fe44b47c5bc6158d2b6205dd66af37ea90e3e31f64ca66b8bd29315c76d7",
    "signature": "0x437dafe66271698380cf20fb467bce20bb14ed2bfb13616e27f9a0078f2204ee748311e1a070ba7a11ac7e5d7f6af348777a3e7be8d936591d0c53406a4764f91b",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}